METHOD FOR MANUFACTURING CURVED SURFACE SUPPORT STRUCTURE, AND HEMISPHERICAL RESONATOR GYROSCOPEOne embodiment comprise: forming an annular recess on an upper surface of the lower wafer by etching, and a stem having a tip higher than a radially-outer-surface a generally center of the recess by e…DRIVE·Nov 26·2 min readFollowB81C1/00134TOKYO KEIKI INC [JP]
SHIP NAVIGATION ASSISTANCE DEVICEA ship navigation assisting device includes: an area setter 304 that sets, for a target ship, a polygonal safe navigation area defined by a plurality of vertices and surrounding the target ship; a col…DRIVE·Nov 5·1 min readFollowB63B43/18TOKYO KEIKI INC [JP]
ERROR CORRECTION APPARATUSAn error correcting device 34 is mounted in a working vehicle and corrects an error in measurement value of a sensor device having a GNSS sensor and a gyro sensor. The error correcting device 34 inclu…DRIVE·Dec 21·2 min readFollowA01B69/008TOKYO KEIKI INC [JP]
POSITION OUTPUT DEVICE USING SATELLITE NAVIGATION SYSTEMA position output device for outputting position data indicating a current position of an object, based on position data of a determined current position of the object as determined by a satellite nav…DRIVE·Oct 15·2 min readFollowG01C21/188TOKYO KEIKI INC [JP]
